DIRECTIONAL REFLECTION PLATE MANUFACTURING METHOD
PURPOSE:To enable production of a high quality directional reflection plate with improved directivity and reflection efficiency by rolling a material by means of a roller having fine grooves.
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To enable production of a high quality directional reflection plate with improved directivity and reflection efficiency by rolling a material by means of a roller having fine grooves. |
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